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A monochromatic light passes through a g...

A monochromatic light passes through a glass slab `(mu = (3)/(2))` of thickness 90 cm in time `t_(1)`. If it takes a time `t_(2)` to travel the same distance through water `(mu = (4)/(3))`. The value of `(t_(1) - t_(2))` is

A

`5 times 10^-11 sec`

B

`5 times 10^-8 sec`

C

`2.5 times 10^-10 sec`

D

`5 times 10^-10 sec`

Text Solution

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The correct Answer is:
A
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